The redness of the corner of the child’s eye may be caused by acute conjunctivitis, blepharitis and other causes, and may also be caused by eye fatigue. 1. Acute conjunctivitis: caused by infection with bacteria, viruses and other pathogens, mainly manifested as photophobia, stinging, tearing and secretions, etc., which can stimulate redness at the corners of the eyes, the disease has a certain degree of contagiousness, and should be avoided to share towels with others. 2. Blepharitis: the eyelid margins can be contaminated with dust, pathogenic bacteria can lead to inflammation, manifested as itching, stinging, increased secretion, redness at the corners of the eyes, etc., you need to remove the cause of the disease, pay attention to clean the eyelid margins, to avoid repeated stimulation. 3. eye fatigue: children watch electronic products for a long time, such as television, computers, cell phones, etc., can cause eye dryness and local congestion, if a long time to stay up late at night, there will be redness in the corners of the eyes, so you need to pay attention to the control of the child’s eye time. Redness in the corners of the eyes of children by rest can not be relieved, it is recommended that timely medical examination, usually should let the child to develop good hygiene habits and eye habits.